Singapore 2021

ATP · Hard

Alexei Popyrin won the title, beating Alexander Bublik 4–6 6–0 6–2 in the final.

Matches by round

39 finished

Final

1 finished
Fin
🇦🇺Alexei Popyrin#125466
🇰🇿Alexander Bublik4#26602

Semifinals

2 finished
Fin
🇦🇺Alexei Popyrin#12577
🇭🇷Marin Cilic3#976562
Fin
🇰🇿Alexander Bublik4#26266
🇲🇩Radu Albot6634

Quarterfinals

4 finished
Fin
🇦🇺Alexei Popyrin#12567
🇦🇺Matthew EbdenWC467
Fin
🇭🇷Marin Cilic3#97627
🇰🇷Soon Woo Kwon8265
Fin
🇰🇿Alexander Bublik4#2666
🇯🇵Yoshihito Nishioka532
Fin
🇲🇩Radu Albot666
🇫🇷Adrian Mannarino1#6134

Round of 16

8 finished
Fin
🇦🇺Matthew EbdenWC66
🇦🇺John Millman241
Fin
🇦🇺Alexei Popyrin#125656
🇧🇬Adrian AndreevWC173
Fin
🇭🇷Marin Cilic3#9776
🇯🇵Taro Daniel#17254
Fin
🇰🇷Soon Woo Kwon866
🇯🇵Yasutaka Uchiyama34
Fin
🇯🇵Yoshihito Nishioka566
🇺🇸Maxime Cressy42
Fin
🇰🇿Alexander Bublik4#2666
🇹🇷Altug CelikbilekQ22
Fin
🇲🇩Radu Albot66276
🇩🇪Yannick Hanfmann#677673
Fin
🇫🇷Adrian Mannarino1#6167
🇮🇹Roberto Marcora35

Round of 32

12 finished
Fin
🇦🇺Matthew EbdenWC67
🇮🇳Yuki BhambriPR363
Fin
🇦🇺Alexei Popyrin#12577
🇺🇸Christopher EubanksQ6565
Fin
🇧🇬Adrian AndreevWC166
🇿🇦Lloyd Harris7#103634
Fin
🇯🇵Taro Daniel#1726636
🇮🇳Ramkumar Ramanathan373
Fin
🇯🇵Yasutaka Uchiyama626
🇦🇺Marc Polmans464
Fin
🇰🇷Soon Woo Kwon8466
🇺🇸Thai Son KwiatkowskiQ634
Fin
🇯🇵Yoshihito Nishioka5636
🇺🇸Michael Mmoh#150263
Fin
🇺🇸Maxime Cressy76
🇹🇼Jason Jung642
Fin
🇹🇷Altug CelikbilekQ66
🇯🇵Shintaro MochizukiWC#12804
Fin
🇲🇩Radu Albot6636
🇦🇺John Patrick SmithQ261
Fin
🇩🇪Yannick Hanfmann#6766
🇦🇺James Duckworth#7624
Fin
🇮🇹Roberto Marcora76
🇱🇻Ernests Gulbis54

Qualifying round 2

4 finished
Fin
🇦🇺John Patrick Smith677
🇹🇳Malek Jaziri4565
Fin
🇺🇸Christopher Eubanks366
🇮🇹Alessandro Bega712
Fin
🇹🇷Altug Celikbilek5607
🇮🇹Matteo Viola22665
Fin
🇺🇸Thai Son Kwiatkowski166
🇺🇸Robert GallowayAlt23

Qualifying round 1

8 finished
Fin
🇦🇺John Patrick Smith666
🇸🇬Roy HobbsWC11
Fin
🇹🇳Malek Jaziri466
🇸🇬Shaheed AlamWC13
Fin
🇮🇹Alessandro Bega776
🇮🇹Fabrizio Ornago52
Fin
🇺🇸Christopher Eubanks366
🇮🇳Rohan BopannaAlt34
Fin
🇹🇷Altug Celikbilek566
🇺🇸Evan King24
Fin
🇮🇹Matteo Viola266
🇺🇸Alex Lawson32
Fin
🇺🇸Robert GallowayAlt66
🇺🇦Vladyslav Orlov844
Fin
🇺🇸Thai Son Kwiatkowski167
🇬🇧Luke BambridgeAlt464